https://community.dynatrace.com/t5/Alerting/Anomaly-Alerts-for-4xx-alerts-by-request-endpoints-in-Dynatrace/m-p/298623#M6300 <P>Hi,</P> <P><SPAN>We want to get alerted on anomalous behaviour in our 4XX errors. In the particular, the ones affecting out front end and middleware.</SPAN></P> <P>Constraints:&nbsp;</P> <UL> <LI>We do not want to define 4XX errors as server-side as this will affect the failure rates and cause poor error detection to the mix of business/expected errors inherent to 4XX responses.&nbsp;</LI> <LI>We want to minimize the number of CSMs and Metric Events, including the volume of data ingested by a Metric Event</LI> <LI>Any solution <I>has </I>to tell us which application, service &amp; &nbsp;HTTP response code is driving the issue &nbsp;(ie dimensions to split) <UL> <LI>Preferably we can drill down the specific request/endpoint</LI> </UL> </LI> </UL> <UL> <LI>Preferably, when an increase in 4XX errors occurs, a solution would be able to tell us what request/endpoint is driving the issue.</LI> <LI>Strong preference for anomaly detection vs static threshold</LI> </UL> <P>&nbsp;</P> <P>Any suggestions for the recommended solution to the above problem statement in Dynatrace Classic, we do not have Grail/DPS.</P> <P>Thanks,</P> <P>Hari</P> Thu, 30 Apr 2026 06:53:28 GMT harinhs1 2026-04-30T06:53:28Z https://community.dynatrace.com/t5/Alerting/Anomaly-Alerts-for-4xx-alerts-by-request-endpoints-in-Dynatrace/m-p/298623#M6300 <P>Hi,</P> <P><SPAN>We want to get alerted on anomalous behaviour in our 4XX errors. In the particular, the ones affecting out front end and middleware.</SPAN></P> <P>Constraints:&nbsp;</P> <UL> <LI>We do not want to define 4XX errors as server-side as this will affect the failure rates and cause poor error detection to the mix of business/expected errors inherent to 4XX responses.&nbsp;</LI> <LI>We want to minimize the number of CSMs and Metric Events, including the volume of data ingested by a Metric Event</LI> <LI>Any solution <I>has </I>to tell us which application, service &amp; &nbsp;HTTP response code is driving the issue &nbsp;(ie dimensions to split) <UL> <LI>Preferably we can drill down the specific request/endpoint</LI> </UL> </LI> </UL> <UL> <LI>Preferably, when an increase in 4XX errors occurs, a solution would be able to tell us what request/endpoint is driving the issue.</LI> <LI>Strong preference for anomaly detection vs static threshold</LI> </UL> <P>&nbsp;</P> <P>Any suggestions for the recommended solution to the above problem statement in Dynatrace Classic, we do not have Grail/DPS.</P> <P>Thanks,</P> <P>Hari</P> Thu, 30 Apr 2026 06:53:28 GMT https://community.dynatrace.com/t5/Alerting/Anomaly-Alerts-for-4xx-alerts-by-request-endpoints-in-Dynatrace/m-p/298623#M6300 harinhs1 2026-04-30T06:53:28Z